溶劑
關鍵詞: 溶劑來源: 互聯網
能溶解其他物質的物質叫溶劑(舊名溶媒)。應用最廣的溶劑是水。溶劑分極性溶劑(高介電常數)和非極性溶劑(低介電常數)兩類。最典型的極性溶劑是水,非極性溶劑如烴類。芳香烴(如苯)的溶解能力強于脂肪烴(如汽油)。很多有機物也作為溶劑使用,常稱為有機溶劑,如醇、酯、醚、酮和鹵代烴。化學工業生產大量的有機溶劑,它們在涂料、塑料、合成纖維、合成橡膠中有廣泛的應用。
?
?
推薦方法
- 菲律賓72.53萬公頃專門種植生物燃料農作物
- 犬白三烯D4(LTD4)酶聯免疫分析(ELISA)
- Capillary Electrophoresis in Clinical Analysis
- Study of Cyclic Adenosine Monophosphate Microdomains in Cells
- An efficient method of generating transgenic mice by pronuclear microinjection
- 離子交換法分離氨基酸
- Analysis of Phosphatidylinositol 3,4,5 Trisphosphate 5-Phosphatase Activity by in vitro and in vivo Assays
- 熒光原位雜交(Fluorescence in situ hybridization,FISH)
- 常用酶的配制之蛋白水解酶類的配制
- Radiochemical Measurement of NOS Activity by Conversion of [14C]L-Arginine to Citrulline Using HPLC Separation